请输入您要查询的英文单词:

 

单词 hemicyclic
释义

hemicyclicadj.

/hɛmɪˈsɪklɪk/
Etymology: < French hémicyclique (Littré), < Greek ἡμικυκλικός , < ἡμικύκλιον (see hemicycle n.).
Botany.
Applied to flowers which have the parts arranged spirally in such a manner that the transition from one series to another (e.g. from petals to stamens) occurs at the completion of a turn of the spiral; also to those which have some parts arranged spirally (acyclic) and others in whorls (cyclic).
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [adjective] > having specific arrangement or number of member parts
regular1760
decandrous1808
irregular1826
tetramerous1835
pentamerous1848
symmetrical1849
hexamerous1857
isomerous1857
octamerous1857
anisomerous1861
octomeral1871
hemicyclic1875
zygomorphic1875
zygomorphous1879
tetracyclic1880
heteromerous1882
heterocyclic1895
oligomerous1897
pleiomerous1898
decasepalous-
1875 A. W. Bennett & W. T. T. Dyer tr. J. von Sachs Text-bk. Bot. 533 In hemicyclic flowers those members at least which are arranged in whorls may possibly be distributed symmetrically.
1878 W. R. McNab Bot.: Outl. Classif. Plants viii. 179 The flowers generally have the parts in whorls (cyclic). Sometimes they are wholly (acyclic) or partially spiral (hemicyclic).
This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018).
<
adj.1875
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/9/21 8:07:59